Results of each parameter by ROC analysis
| AUC (χ2 test Compared with AUC = 0.5) | AUC, 95% CI | Cutoff Value | Sensitivity (95% CI) | Specificity (95% CI) | |
|---|---|---|---|---|---|
| MET ratio | 0.90 (P < .01) | 0.75–1.05 | 1.42 | 0.90 (±0.026) | 0.75 (±0.082) |
| CER av | 0.81 (P < .01) | 0.58–1.04 | 0.61 | 0.80 (±0.035) | 0.88 (±0.023) |
| MaxSlope av | 0.80 (P < .05) | 0.58–1.02 | 0.01 | 0.90 (±0.014) | 0.50 (±0.098) |
| IAUGC av | 0.78 (P < .05) | 0.55–1.00 | 0.2 | 0.60 (±0.078) | 1.0 (0) |
| fPV av | 0.76 | 0.53–0.99 | 0.02 | 0.50 (±0.082) | 0.88 (±0.017) |
| BAT av | 0.76 | 0.48–1.03 | 44.0 | 0.70 (±0.046) | 0.75 (±0.041) |
| Ktrans av | 0.74 | 0.49–0.99 | 0.05 | 0.70 (±0.046) | 0.67 (±0.041) |
| Ve av | 0.68 | 0.41–0.95 | 0.27 | 0.60 (±0.052) | 0.63 (±0.051) |
| ADC min | 0.60 | 0.32–0.88 | 0.73 | 0.60 (±0.039) | 0.25 (±0.061) |
| Kep av | 0.55 | 0.26–0.84 | 0.32 | 0.80 (±0.026) | 0.50 (±0.082) |
| FDG ratio | 0.53 | 0.23–0.82 | 0.97 | 0.40 (±0.059) | 0.50 (±0.049) |
Note:—AUC indicates area under the curve; av, average; min, minimum; ROC, receiver operating characteristic.